Your AT-5555N II is a Ferrari of the airwaves. Now, with this guide to the service menu, you have the keys to the engine management system. Drive responsibly, and enjoy the pristine signal quality that proper calibration provides.
Use the Clarity knob or specific microphone arrow keys (depending on the firmware version) to change the digital value of the selected parameter. anytone at5555n ii service menu work
Keep holding the buttons until the LCD display changes, showing the service menu interface (typically indicated by a parameter code and a numerical value). Release the buttons. Navigation and Control Your AT-5555N II is a Ferrari of the airwaves
Once on, press the following keys in quick succession: , then [NB] , then [DW] . The display should now show the service menu options. Use the Clarity knob or specific microphone arrow
While the service menu is powerful, some parameters are not for hobbyist "work." Avoid these unless you have a spectrum analyzer and service manual: